Computer icon for a display screen



FIG. 1 is a front view of a computer icon for a display screen for a computer screen; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken line drawing of a computer screen in both figure views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a computer icon for a display screen, as shown and described. 